#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>

int main(int a)
{
    int b;
    switch (a)
    {
    case 1: b = 30;
    case 2: b = 20;
    case 3: b = 16;
    default: b = 0;
    }
    printf("%d\n", b);
    printf("%d\n", 6 % 3);
    printf("%d\n", sizeof(char*));
}